montreal, canada, where she's attending a u.n. meeting on aviation security. we'll get to that issue in a minute. first virks to ask you, a little news of the day. what can you tell us about these threats overseas in particular, any threats to the u.s. homeland, recognizing you are a little limited in what you can tell us. should people be fearful this morning? >> you know, i can't comment to specific threats. but what i can say is that we're constantly working both at the homeland but with our allies abroad to make sure that the terrorists are not successful in carrying out any of their threats. >> has there been an increase -- >> it's an ongoing effort. >> of course. has there been increased reporting? obviously, we're seeing that in europe. they're on high alert there. is there any companion threat here? >> i prefer not to comment. we're taking and always take every measure that we can conceive tof protect the american people. >> so the increased chatter that french intelligence sources are basing some of their reasoning for raising their threat level there. we're not hearing the